Chapter 13- Oxidation and Reduction

Chemical reactions which involve oxidation of one substance and reduction of another.

________ are oxidised to iodine by oxidising agent.2I- I2 + 2e-

The charge an atom of an element would have if it existed as an ion in a compound.

________ are oxidised to iodine which reacts with starch to give a blue colour.

→Pb

→ Br2 + 2e-

A substance that causes another substance to be oxidised, and is reduced itself in the process.

A substance that causes another substance to be reduced, and is oxidised in that process.

Place a piece of filter paper soaked with acidified potassium manganate (VII), KMnO4, at the mouth of the test tube

Add acidified potassium manganate (VII) to unknown solution

A chemical used to identify reducing agents by change in colour.

A chemical used to identify oxidising agents through change in colour.